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Oval|Lab Grown|IGI

4.07ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG627420888

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG627420888

Diamond specifications and retailer prices

From $457 USD
As of October 29, 2026
Save $4,093 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,550 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.07ct lab-grown oval diamond

This 4.07ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627420888 or 627420888. Listed at 15 retailers as of October 29, 2026, with prices from $457 to $4,550, a $4,093 spread on the same certified stone. Brilliant Earth lists it at $4,550. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.07
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627420888
Dimensions12.94 × 9.12 × 5.65 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.94 mm9.12 mm4.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627420888
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,550 USD|Low: $439 USD|High: $5,240 USD|Avg: $1,351 USD|-13.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5$457 USD
Retailer 15$476 USD
Retailer 11$512 USD
Retailer 3$567 USD
Retailer 16$567 USD
Retailer 9$855 USD
Retailer 6$888 USD
Retailer 2$939 USD
Retailer 14$968 USD
Retailer 7$981 USD
Retailer 8$1,402 USD
Retailer 12$1,524 USD
Retailer 4$1,822 USD
Retailer 10$2,085 USD
Retailer 13$2,490 USD
Brilliant Earth$4,550 USD

37 data points across 16 retailers

15 retailers$457 USD to $4,550 USD

A
Cheapest Retailer
-
$457 USD
Retailer 2
-
$476 USD
£375 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$512 USD
View
Retailer 4
-
$567 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$567 USD
View
B+
Retailer 6
-
$855 USD
View
B+
Retailer 7
-
$888 USD
View
A
Retailer 8
-
$939 USD
£739 GBP
View
A
Retailer 9
-
$981 USD
View
B+
Retailer 10
-
$1,402 USD
View
B+
Retailer 11
-
$1,524 USD
View
B+
Retailer 12
-
$1,822 USD
View
B
Retailer 13
-
$2,085 USD
£1,642 GBP
View
Retailer 14
-
$2,490 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
9865509A · Oct 29
$4,550 USD
View
14 more retailers have this diamond
Prices start from $457 USDSave up to $4,093 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.07ct Oval
$457 USD